Designed to provide economical, reliable and long-lasting power in lanterns and heavy-duty torches, Panasonic PJ996 6V batteries feature zinc-carbon chemistry for dependable performance. Some common uses of this type of spring-terminal cell within the construction, transport and civil engineering sectors include illumination of road and hazard warning signs, skip lights and other applications that require low to medium levels of current drain. These specialist rectangular batteries are also used in certain larger radios and smoke detectors.